3
underpin(verb, support, take, continue, stay)
2
aid(verb, support, help, keep, maintain)
2
assist(verb, support, help, keep, maintain)
2
back up(verb, expression, phrasal verb, support, increase)
2
bear up(verb, expression, phrasal verb, support, help)
2
beef up(verb, expression, phrasal verb, support, increase)
2
buoy up(verb, expression, phrasal verb, support, maintain)
2
confirm(verb, support, help, keep, maintain)
2
cradle(verb, hold, maintain, stay, bear)
2
crutch(verb, hold, maintain, stay, bear)
2
cushion(verb, support, help, aid, boost)
2
gird(verb, support, secure, protect, strengthen)
2
harden(verb, support, increase, sustain, uphold)
2
help(verb, support, keep, maintain, promote)
2
keep(verb, support, maintain, sustain, underwrite)
2
lend support
2
mainstay(verb, hold, maintain, stay, bear)
2
maintain(verb, support, help, keep, promote)
2
pillow(verb, support, help, aid, boost)
2
shoulder(verb, hold, take, maintain, continue)
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APASmart Define. (2015). shore up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/shore_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "shore up thesaurus" https://smartdefine.org/shore_up/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, shore up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/shore_up/thesaurus/synonyms>.
MLASmart Define. "shore up thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/shore_up/thesaurus/synonyms>